Garden Calendar

The Fern and Exotic Plant Show and Sale, Saturday and Sunday, from 9 a.m. to 4:30 p.m., with workshops and lectures at 11 a.m., 1 p.m. and 3 p.m. on fern care and culture (including staghorn ferns), at the Arboretum of Los Angeles County, 301 N. Baldwin Ave., Arcadia, (626) 821-3222. $5.

* A children’s workshop on Colossal Conifers (redwoods, pine and deodar cedars), where kids (age 7 and up) will collect cones and make cool crafts, Sept. 9, 9-11:30 a.m., at the Huntington Botanical Gardens. To register, send check for $12 to Children’s Programs, 1151 Oxford Road, San Marino, CA 91108. Confirmations sent by mail. For information, call (626) 405-2128 or see https://www.huntington.org.

* A weekend symposium on Mediterranean gardens, with speakers from California and southern Europe (including Alessandra Vinciquerra, garden director of the American Academy in Rome) will discuss the opportunities and constraints of our special climate. To be held Sept. 22 and 23; reservations required. The symposium costs $175 before Sept. 1; $200 afterward. Call (626) 821-4624.

Send garden announcements to Garden Events, Los Angeles Times, 202 W. 1st St., Los Angeles, CA 90012, at least three weeks before the event date.